首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
TEACHING AIDS
摘要
申请公布号
GB1484462(A)
申请公布日期
1977.09.01
申请号
GB19740005096
申请日期
1975.02.04
申请人
DEF SEC OF STATE FOR
发明人
分类号
G09B23/02;(IPC1-7):G09B25/02
主分类号
G09B23/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
FIXING DEVICE AND IMAGE FORMING DEVICE
METHOD FOR MANUFACTURING MULTILAYER PRINTED WIRING BOARD
IMAGE PICKUP DEVICE
IMAGING DEVICE AND ITS WHITE BALANCE ADJUSTMENT METHOD
STAGE AND EXPOSURE DEVICE
BATTERY PACKAGE USING POLYPROPYLENE RESIN
CHARGER
CHARGING METHOD AND CHARGER
THERMAL FUSE AND BATTERY PACK
PACKING MATERIAL OF CELL, AND SECONDARY CELL
SOLID-STATE IMAGE PICKUP DEVICE AND ITS LINE SENSOR
IMAGE ACQUISITION DEVICE AND METHOD
THIN-FILM TRANSISTOR OPTICAL SENSOR
DATA-PROCESSING SYSTEM FOR COMMUNICATION NETWORK
ULTRASONIC WAVE DETECTOR FOR VEHICLE AND ITS MANUFACTURING METHOD
ULTRASONIC WAVE DETECTOR FOR VEHICLE AND ITS MANUFACTURING METHOD
ACHROMIC LIGHT WRITING IN GRAPHIC SYSTEM AND METHOD
METHOD AND MECHANISM FOR AUTOMATICALLY ELIMINATING COIN BITING PHENOMENON OF HOPPER TYPE COIN SENDING-OUT DEVICE
CAPILLARY TUBE ASSEMBLY WITH EXCHANGEABLE CAPILLARY TUBE
PORTABLE SCANNER
